CN209290414U - A kind of 350 kilometers of train journal box front covers of speed per hour - Google Patents
A kind of 350 kilometers of train journal box front covers of speed per hour Download PDFInfo
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- CN209290414U CN209290414U CN201821653007.3U CN201821653007U CN209290414U CN 209290414 U CN209290414 U CN 209290414U CN 201821653007 U CN201821653007 U CN 201821653007U CN 209290414 U CN209290414 U CN 209290414U
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- movable guard
- fixed plate
- sealing
- wall
- kilometers
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Abstract
The utility model discloses a kind of 350 kilometers of train journal box front covers of speed per hour, including fixed plate, movable guard, sealing block, the fixed plate is annular slab, and circumferentially distributed there is threaded hole in the edge of fixed plate, the bottom surface of fixed plate is equipped with sealing ring, it is distributed on sealing ring and the one-to-one through-hole of threaded hole, the centre bore of the fixed plate is threaded hole, the movable guard is the cylindrical shape of open at both ends, and the bottom end outer wall of movable guard is equipped with and the matched external screw thread of centre bore at fixed plate, movable guard is connected with fixed plate spiral, the inner wall top annular outer of the movable guard has Pressure Block, and mounting groove is radially distributed on the inner wall of the movable guard above Pressure Block, sliding is equipped with positioning pin in each mounting groove, and positioning pin is connected with corresponding mounting groove underrun spring, the sealing block is the circle for being plugged in movable guard top Column, and the bottom surface of sealing block is contacted with Pressure Block.The present apparatus is easy for assemble or unload, is hardly damaged, and facilitates and checks axle box inner workings.
Description
Technical field
The utility model relates to 350 kilometers of train journal box front covers of journal box front cover technical field more particularly to a kind of speed per hour.
Background technique
Currently, on railway locomotive, cover on axle journal fifth wheel to and bogie frame or two-axle car car body component, claim
For axle box.It is that car body weight and load transmission are lubricated axle journal, reduce friction, reduce running resistance to wheel pair that it, which is acted on,.Axle box
Device presses used bearing type, is divided into two class of sliding bearing axle box device and rolling bearing axis case apparatus.Axle box is by axle box
Body, journal box front cover, bearing shell, bearing shell backing plate, glossy device and dust excluding plate composition, axle box must be tightly bonded with journal box front cover,
In order to avoid oil leak and preventing rainwater and dust from entering, traditional crankcase cover and axle box are connected by screw bolts, and when work needs regular
Disassembly journal box front cover, to check axle box inner workings, if things go on like this, journal box front cover easy to damage.
Utility model content
The purpose of this utility model is to provide a kind of 350 kilometers of train journal box front covers of speed per hour, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of 350 kilometers of train journal box front covers of speed per hour, including fixed plate, movable guard, sealing block, the fixed plate are annular
Plate, and fixed plate edge it is circumferentially distributed have a threaded hole, the bottom surface of fixed plate is equipped with sealing ring, is distributed on sealing ring and spiral shell
The one-to-one through-hole of pit, the centre bore of the fixed plate are threaded hole.
The movable guard is the cylindrical shape of open at both ends, and the bottom end outer wall of movable guard is equipped with and centre bore at fixed plate
The external screw thread matched, movable guard are connected with fixed plate spiral, and the inner wall top annular outer of the movable guard has Pressure Block, and pressure-bearing
Mounting groove is radially distributed on the inner wall of the movable guard of seat top, sliding is equipped with positioning pin, and positioning pin in each mounting groove
It is connected with corresponding mounting groove underrun spring.
The sealing block is to be plugged in the cylindric of movable guard top, and the bottom surface of sealing block is contacted with Pressure Block, sealing
The outer wall of block is circumferentially distributed have with the one-to-one pin hole of positioning pin, the end of positioning pin is inserted in corresponding pin hole, described
All convexes have sealing plate at the top of the outer wall of sealing block, and the bottom surface of the sealing plate and the top surface of movable guard are pressed into contact with.
Further, the annular top surface annular outer of the movable guard has retention bead, and the bottom surface invagination of sealing plate has
Limit card slot corresponding with retention bead, the retention bead top are inserted into limit card slot.
Further, the outer wall of the sealing block is arranged along different height there are two elastic seal ring, elastic seal ring table
Face and movable guard inner wall squeeze contact.
Further, the bottom end of the movable guard is equipped with ring type seal, the bottom surface of ring type seal and the top of fixed plate
Face squeezes contact.
Further, the top surface of the fixed plate is equipped with groove corresponding with ring type seal, and ring type seal is set to
In corresponding groove.
The beneficial effects of the utility model are:
The utility model devises fixed plate, and fixed plate is used for and axle box shell is affixed, at the central through hole of fixed plate
Equipped with movable guard, and it is equipped with sealing plate at the external port of movable guard, is detachably connected, makes between sealing plate and movable guard
Used time need to only remove the sealing plate on movable guard if you need to check the working condition inside axle box, and before existing axle box
Lid, needs to remove entire journal box front cover, and the present apparatus compares existing journal box front cover, more convenient to use quick and existing
The regular installing and dismounting of journal box front cover, the place of being bolted can be made to fail, it is easy to damage.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is sectional view at the A-A of the utility model Fig. 2；
Fig. 2 is the overall structure top view of the utility model；
Fig. 3 is enlarged drawing at the B of the utility model Fig. 1.
In figure: fixed plate 1, threaded hole 2, sealing ring 3, through-hole 4, ring type seal 5, movable guard 6, sealing plate 7, sealing block
8, retention bead 9, elastic seal ring 10, Pressure Block 11, mounting groove 12, positioning pin 13, spring 14.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1-3, a kind of 350 kilometers of train journal box front covers of speed per hour, including fixed plate 1, movable guard 6, sealing block 8, institute
Stating fixed plate 1 is annular slab, and fixed plate 1 edge it is circumferentially distributed have a threaded hole 2, the bottom surface of fixed plate 1 is equipped with sealing ring
3, be distributed on sealing ring 3 with the one-to-one through-hole 4 of threaded hole 2, the centre bore of the fixed plate 1 is threaded hole.
The movable guard 6 is the cylindrical shape of open at both ends, and the bottom end outer wall of movable guard 6 is equipped with and center at fixed plate 1
The matched external screw thread in hole, movable guard 6 are connected with 1 spiral of fixed plate, and the inner wall top annular outer of the movable guard 6 has pressure-bearing
Seat 11, and mounting groove 12 is radially distributed on the inner wall of the movable guard 6 of 11 top of Pressure Block, sliding is set in each mounting groove 12
There are positioning pin 13, and positioning pin 13 and the connection of 12 underrun spring 14 of corresponding mounting groove.
The sealing block 8 is to be plugged in the cylindric of 6 top of movable guard, and the bottom surface of sealing block 8 is contacted with Pressure Block 11,
The outer wall of sealing block 8 is circumferentially distributed have with the one-to-one pin hole of positioning pin 13, the end of positioning pin 13 is inserted in corresponding pin
In hole, all convexes have sealing plate 7, the bottom surface of the sealing plate 7 and the top surface of movable guard 6 at the top of the outer wall of the sealing block 8
It is pressed into contact with.
Further, the annular top surface annular outer of the movable guard 6 has retention bead 9, and in the bottom surface of sealing plate 7
It falls into have and be inserted into limit card slot with the corresponding limit card slot of retention bead 9,9 top of retention bead, good positioning effect, installation
Precision is higher.
Further, the outer wall of the sealing block 8 is arranged along different height there are two elastic seal ring 10, elastic seal ring
10 surfaces and 6 inner wall of movable guard squeeze contact.
Further, the bottom end of the movable guard 6 is equipped with ring type seal 5, the bottom surface of ring type seal 5 and fixed plate 1
Top surface squeeze contact so that better tightness, waterproof effect is more preferably.
Further, the top surface of the fixed plate 1 is equipped with groove corresponding with ring type seal 5, and ring type seal 5 is set
In in corresponding groove；Further enhance the sealing performance of the present apparatus.
When in use, it is equipped with sealing plate at the external port of movable guard, is detachably connected between sealing plate and movable guard, if you need to
Check the working condition inside axle box, the sealing plate on movable guard need to only be removed, and existing journal box front cover, need by
Entire journal box front cover removal, the present apparatus compares existing journal box front cover, more convenient to use quick, and existing journal box front cover
Regular installing and dismounting can make the place of being bolted fail, easy to damage.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of 350 kilometers of train journal box front covers of speed per hour, including fixed plate (1), movable guard (6), sealing block (8), feature exists
In: the fixed plate (1) be annular slab, and fixed plate (1) edge it is circumferentially distributed have threaded hole (2), the bottom of fixed plate (1)
Face is equipped with sealing ring (3), be distributed on sealing ring (3) with the one-to-one through-hole (4) of threaded hole (2), the fixed plate (1)
Centre bore is threaded hole；
The movable guard (6) be open at both ends cylindrical shape, and the bottom end outer wall of movable guard (6) be equipped with and fixed plate (1) in
The matched external screw thread in heart hole, movable guard (6) are connected with fixed plate (1) spiral, the inner wall top annular outer of the movable guard (6)
Have Pressure Block (11), and is radially distributed with mounting groove (12), each installation on the inner wall of the movable guard (6) above Pressure Block (11)
Sliding is equipped with positioning pin (13) in slot (12), and positioning pin (13) and corresponding mounting groove (12) underrun spring (14) are even
It connects；
The sealing block (8) is to be plugged in the cylindric of movable guard (6) top, and the bottom surface of sealing block (8) and Pressure Block (11)
Contact, the outer wall of sealing block (8) is circumferentially distributed have with positioning pin (13) one-to-one pin hole, the end of positioning pin (13) plugs
In in corresponding pin hole, there is sealing plate (7) all convexes at the top of the outer wall of the sealing block (8), the bottom surface of the sealing plate (7)
It is pressed into contact with the top surface of movable guard (6).
2. 350 kilometers of train journal box front covers of a kind of speed per hour according to claim 1, it is characterised in that: the movable guard (6)
Annular top surface annular outer have retention bead (9), and sealing plate (7) bottom surface invagination have the corresponding limit with retention bead (9)
Position card slot, retention bead (9) top are inserted into limit card slot.
3. 350 kilometers of train journal box front covers of a kind of speed per hour according to claim 1, it is characterised in that: the sealing block (8)
Outer wall be arranged along different height there are two elastic seal ring (10), elastic seal ring (10) surface and movable guard (6) inner wall squeeze
Press contacts.
4. 350 kilometers of train journal box front covers of a kind of speed per hour according to claim 1, it is characterised in that: the movable guard (6)
Bottom end be equipped with ring type seal (5), the bottom surface of ring type seal (5) is contacted with the extruding of the top surface of fixed plate (1).
5. 350 kilometers of train journal box front covers of a kind of speed per hour according to claim 1, it is characterised in that: the fixed plate (1)
Top surface be equipped with groove corresponding with ring type seal (5), and ring type seal (5) be set to corresponding groove in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821653007.3U CN209290414U (en) | 2018-10-12 | 2018-10-12 | A kind of 350 kilometers of train journal box front covers of speed per hour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821653007.3U CN209290414U (en) | 2018-10-12 | 2018-10-12 | A kind of 350 kilometers of train journal box front covers of speed per hour |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209290414U true CN209290414U (en) | 2019-08-23 |
Family
ID=67653923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821653007.3U Active CN209290414U (en) | 2018-10-12 | 2018-10-12 | A kind of 350 kilometers of train journal box front covers of speed per hour |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209290414U (en) |
-
2018
- 2018-10-12 CN CN201821653007.3U patent/CN209290414U/en active Active
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